1. Department of Cardiothoracic SurgeryThe First Affiliated Hospital of Chongqing Medical University Chongqing China
2. Department of Cardiothoracic SurgeryThe People's Hospital of Chongqing Hechuan Chongqing China
3. Department of Cardiothoracic SurgeryChonggang General Hospital Chongqing China
4. Department of Cardiothoracic SurgeryThe People's Hospital of Chongqing Tongnan Chongqing China